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प्रश्न
Why is oxygen essential?
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उत्तर
Oxygen is essential as it supports respiration making life possible on the earth.
संबंधित प्रश्न
Prepare the rainfall graph of the data given below and answer the questions that follow :
| Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | |
| Temp(°C) | 26.9 | 27.6 | 28.7 | 29.1 | 28.4 | 26.5 | 25.9 | 26.0 | 26.4 | 26.8 | 27.1 | 26.9 |
| Rainfall mm | 22.2 | 25.4 | 48.7 | 128.5 | 326.3 | 741.3 | 610.4 | 348.7 | 249.0 | 316.9 | 159.8 | 47.4 |
(a) What is the average annual temperature?
(b) Calculate the annual range of temperature.
(c) In which climate type is this station?
What is the difference between sea water and fresh water?
How does an air conditioner help?
List the inexhaustible sources of energy.
What is the hydrological cycle?
Give reasons for the following:
The Steppe climate of the southern hemisphere is never severe rather it is moderate.
Define the Mangrove forest.
Define Shifting cultivation
Long Answer Question:
Elaborate on the special features of vegetation in the hot desert region.
The prairie region is called the wheat basket of the world.
